Even as electronic components shrink, it is always an easy task to spot the power supply section on small-sized boards given the large amount of space the inductive and capacitive filter components ...

When failure is not an option, high reliability EMI filters deliver superior high-frequency EMI suppression for ...

Editor’s note: This article is a follow-up to the 2011 article, ‘Design second- and third-order Sallen Key filters with one op amp’ on EDN. Author’s Note: The author is revising this article to ...

For the PDF version of this article, click here. Acting as unintended transmitting antennae, the main sources of radiation emissions from power supplies are the output cables. The radiated emissions ...

Wideband filters with bandwidths in excess of an octave can be created by cascading a high-pass filter and a low-pass filter. In this design idea, nine-pole high-pass and low-pass filters have been ...